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Finding the Fourth Proportional to 163,753.92, 225,964.32 and 92,132.32

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Solution

The fourth proportional to 163,753.92, 225,964.32 and 92,132.32 is: 127,133.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,753.92 : 225,964.32 = 92,132.32 : x
  2. Step 2: Convert to fraction form
    163,753.92/225,964.32 = 92,132.32/x
  3. Step 3: Cross multiply
    163,753.92x = 225,964.32 × 92,132.32
  4. Step 4: Simplify right side
    163,753.92x = 20,818,617,038.82
  5. Step 5: Solve for x
    x = 20,818,617,038.82/163,753.92
  6. Step 6: Final answer
    x = 127,133.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.